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Chapter 4: The Structure of the Atom Chapter 5: Electrons in Atoms Chapter 6: The Periodic Table and Periodic Law Chapter 7: The Elements Chapter 8: Ionic Compounds Chapter 9: Covalent Bonding Chapter 10: Chemical Reactions Chapter 11: The Mole Chapter 12: Stoichiometry Chapter 13: States of Matter Chapter 14: Gases Chapter 15: Solutions Study with Quizlet and memorize flashcards containing terms like True/False: In its ground state, an atom has its highest possible energy. The density of a 7. 50% solution of AgNO3? 2. Terms in Exam practice questions chemistry: the central science, 14e (brown, et al. 1) Elements are made of atoms 2) All atoms of an element are identical 3) Atoms of an element are unique from any other element 4) A compound always has the same proportion and kind of atoms 5) Atoms are neither created nor destroyed in any chemical reaction 4 4 15. 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